.bg-wrapper {
    position: relative;
    height: 140px;
    margin-left: 15px;
}

.reg-wrapper input[type="file"] {
    opacity: 0;
    z-index: 2;
}

.reg-wrapper input[type="file"],
.reg-wrapper img {
    position: absolute;
    width: 298px;
    height: 140px;
    left: 0;
    top: 0;
}

.reg-wrapper img {
    z-index: -1;
}

i.glyphicon.glyphicon-plus {
    position: absolute;
    z-index: 1;
    text-align: center;
    width: 298px;
    height: 140px;
    line-height: 140px;
    font-size: 40px;
    margin-left: -15px;
}